CN2207424Y

CN2207424Y - Bicycle shaft concealed lock

Info

Publication number: CN2207424Y
Application number: CN 93242935
Authority: CN
Inventors: 陈玉会; 李伟
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-10-26
Filing date: 1993-10-26
Publication date: 1995-09-13
Anticipated expiration: 2003-10-26

Abstract

The utility model discloses an anti-theft lock shaft type built-in lock for bicycles, which is mainly composed of an axle shaft (2), a hole plate (3), a protective cover (5) and a lock (4). In particular, the lock (4) is fixed on the protective cover (5) by a particular mode, and the hole plate (3) and the axle shaft (2) are fastened into a whole. When a lock tongue (8) is inserted in the hole of the hole plate (3), the purpose of shaft locking is achieved. A lock head and the lock tongue are in closed type, which enables the theft-proof performance even better. The utility model is an ideal anti-theft lock for bicycles.

Description

Bicycle shaft concealed lock

The utility model is to belong to a kind of improvement theftproof lock class, particularly a kind of closed lock shaft built-in lock, and it is applicable to the antitheft use of bicycle and other non power driven vehicle and general motorcycle.

Present existing anti-theft lock for bicycle mainly contains following a few class: preceding mortise lock class, soft lock class, long the trailing wheel spoke lock class of padlock class, routine, it is simple in structure to expose easy sled, use trouble, theftproof performance is poor, general robber's turner tool (as pocket knife, bottle opener, vice, hacksaw) can tackle this class theftproof lock commonly used easily, and user oneself installs, and not only bothered but also to influence car load attractive in appearance.

The purpose of this utility model is to improve the bicycle theft-prevention performance, and the change bicycle dispatches from the factory and do not have the history of lock, and for the user provides a kind of convenience, it is practical that bicycle is improved more.Easy, the easy row of the lock whole improvements of wheel shaft type built-in lock.

The utility model main task is at back axle (or on front axle) orifice plate to be installed, orifice plate is to be a tight fit in to make its one-tenth as a whole in the bicycle shaft, the guard shield punching press has the lock of dress lock, be fixed on bike rack and the central axis screw rod, a kind of special-purpose locking fixes in the lock of guard shield, only leaks keyhole, dead bolt because the breakdown of key is closed in the lock shaft purpose that played capable of expansion and contraction on the hole of orifice plate.The hole processing of orifice plate how much, and is convenient according to pinning, and can design processing 12 holes.

The utility model is a sealing lock shaft built-in lock, and it is to be made not influencing under the bicycle prerequisite attractive in appearance.

The utility model theftproof performance is good, it is just perfect to assemble when dispatching from the factory that particularly this is locked in bicycle, and more users have saved that buying car is bought lock in addition and the trouble manufacturer of installing must car load remodeling, characteristics such as small investment.

Fig. 1 is a general assembly structural representation of the present utility model.

Fig. 2 is the structural representation of axletree of the present utility model and orifice plate.

Fig. 3 is the left view of the utility model Fig. 1.

Fig. 4 is the left view of the utility model Fig. 2.

Being numbered of accompanying drawing part: central axis screw rod (1), back axle (2), orifice plate (3), lock (4), guard shield (5), fastening bolt (6), lock (7), dead bolt (8).

Below in conjunction with accompanying drawing the utility model is described specifically.

With reference to Fig. 1, Fig. 2, Fig. 3, Fig. 4, the orifice plate (3) that at first will be processed with 12 holes is installed on the bicycle rear shaft (or front axle) (2), makes itself and wheel be linked as an integral body.Processing guard shield (5), method one-shot forming with punching press, the lock (4) supporting with it is installed in lock (7) that punching press is exposed, then the guard shield (5) of dress lock is installed on central axis screw rod (1) and the bike rack, guard shield (5) is fastened on the central axis screw rod with fastening bolt (6).Both finished making of the present utility model.Start in the lock (7) of dead bolt (8) retraction guard shield (5) with key during use, both opened.

The installation and the bicycle processing that the utility model has the advantages that lock are connected as a single entity, only needs to reequip the latch-up structure that is implemented in utility model behind the hind axle (front axle), and the lock of lock of the present utility model (4) is mounted in the stamping forming lock of guard shield (5) (7), lock (7) and guard shield (5) one-shot forming, only lock (7) only reveals a hole of inserting key, so theftproof performance improves greatly, can when dispatching from the factory, just install by bicycle again, providing convenience to the user, is a kind of desirable bicycle apparatus.

Claims

1, a kind of bicycle shaft type anti-theft built-in lock is characterized in that at wheel back axle (or front axle) orifice plate that has lockhole go up being installed, and it is fixed on the guard shield on the central axis lock is installed, and its dead bolt inserts in the hole of orifice plate and constitutes; 12 holes of the lockhole design of orifice plate; On the guard shield punching press lock of dress lock.